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GLideN64/2xSAI.cpp
Sergey Lipskiy 69f27a5d8a Initial project version. Based on glN64-0.4.1-rc2
2015-05-13 10:09:12 +06:00

648 lines
19 KiB
C++
Raw Blame History

#include "Types.h"
#include "GBI.h"
static inline s16 GetResult1( u32 A, u32 B, u32 C, u32 D, u32 E )
{
s16 x = 0;
s16 y = 0;
s16 r = 0;
if (A == C) x += 1; else if (B == C) y += 1;
if (A == D) x += 1; else if (B == D) y += 1;
if (x <= 1) r += 1;
if (y <= 1) r -= 1;
return r;
}
static inline s16 GetResult2( u32 A, u32 B, u32 C, u32 D, u32 E)
{
s16 x = 0;
s16 y = 0;
s16 r = 0;
if (A == C) x += 1; else if (B == C) y += 1;
if (A == D) x += 1; else if (B == D) y += 1;
if (x <= 1) r -= 1;
if (y <= 1) r += 1;
return r;
}
static inline s16 GetResult( u32 A, u32 B, u32 C, u32 D )
{
s16 x = 0;
s16 y = 0;
s16 r = 0;
if (A == C) x += 1; else if (B == C) y += 1;
if (A == D) x += 1; else if (B == D) y += 1;
if (x <= 1) r += 1;
if (y <= 1) r -= 1;
return r;
}
static inline u16 INTERPOLATE4444( u16 A, u16 B)
{
if (A != B)
return ((A & 0xEEEE) >> 1) +
((B & 0xEEEE) >> 1) |
(A & B & 0x1111);
else
return A;
}
static inline u16 INTERPOLATE5551( u16 A, u16 B)
{
if (A != B)
return ((A & 0xF7BC) >> 1) +
((B & 0xF7BC) >> 1) |
(A & B & 0x0843);
else
return A;
}
static inline u32 INTERPOLATE8888( u32 A, u32 B)
{
if (A != B)
return ((A & 0xFEFEFEFE) >> 1) +
((B & 0xFEFEFEFE) >> 1) |
(A & B & 0x01010101);
else
return A;
}
static inline u16 Q_INTERPOLATE4444( u16 A, u16 B, u16 C, u16 D)
{
u16 x = ((A & 0xCCCC) >> 2) +
((B & 0xCCCC) >> 2) +
((C & 0xCCCC) >> 2) +
((D & 0xCCCC) >> 2);
u16 y = (((A & 0x3333) +
(B & 0x3333) +
(C & 0x3333) +
(D & 0x3333)) >> 2) & 0x3333;
return x | y;
}
static inline u16 Q_INTERPOLATE5551( u16 A, u16 B, u16 C, u16 D)
{
u16 x = ((A & 0xE738) >> 2) +
((B & 0xE738) >> 2) +
((C & 0xE738) >> 2) +
((D & 0xE738) >> 2);
u16 y = (((A & 0x18C6) +
(B & 0x18C6) +
(C & 0x18C6) +
(D & 0x18C6)) >> 2) & 0x18C6;
u16 z = ((A & 0x0001) +
(B & 0x0001) +
(C & 0x0001) +
(D & 0x0001)) > 2 ? 1 : 0;
return x | y | z;
}
static inline u32 Q_INTERPOLATE8888( u32 A, u32 B, u32 C, u32 D)
{
u32 x = ((A & 0xFCFCFCFC) >> 2) +
((B & 0xFCFCFCFC) >> 2) +
((C & 0xFCFCFCFC) >> 2) +
((D & 0xFCFCFCFC) >> 2);
u32 y = (((A & 0x03030303) +
(B & 0x03030303) +
(C & 0x03030303) +
(D & 0x03030303)) >> 2) & 0x03030303;
return x | y;
}
void _2xSaI4444( u16 *srcPtr, u16 *destPtr, u16 width, u16 height, s32 clampS, s32 clampT )
{
u16 destWidth = width << 1;
u16 destHeight = height << 1;
u32 colorA, colorB, colorC, colorD,
colorE, colorF, colorG, colorH,
colorI, colorJ, colorK, colorL,
colorM, colorN, colorO, colorP;
u32 product, product1, product2;
s16 row0, row1, row2, row3;
s16 col0, col1, col2, col3;
for (u16 y = 0; y < height; y++)
{
if (y > 0)
row0 = -width;
else
row0 = clampT ? 0 : (height - 1) * width;
row1 = 0;
if (y < height - 1)
{
row2 = width;
if (y < height - 2)
row3 = width << 1;
else
row3 = clampT ? width : -y * width;
}
else
{
row2 = clampT ? 0 : -y * width;
row3 = clampT ? 0 : (1 - y) * width;
}
for (u16 x = 0; x < width; x++)
{
if (x > 0)
col0 = -1;
else
col0 = clampS ? 0 : width - 1;
col1 = 0;
if (x < width - 1)
{
col2 = 1;
if (x < width - 2)
col3 = 2;
else
col3 = clampS ? 1 : -x;
}
else
{
col2 = clampS ? 0 : -x;
col3 = clampS ? 0 : 1 - x;
}
//---------------------------------------
// Map of the pixels: I|E F|J
// G|A B|K
// H|C D|L
// M|N O|P
colorI = *(srcPtr + col0 + row0);
colorE = *(srcPtr + col1 + row0);
colorF = *(srcPtr + col2 + row0);
colorJ = *(srcPtr + col3 + row0);
colorG = *(srcPtr + col0 + row1);
colorA = *(srcPtr + col1 + row1);
colorB = *(srcPtr + col2 + row1);
colorK = *(srcPtr + col3 + row1);
colorH = *(srcPtr + col0 + row2);
colorC = *(srcPtr + col1 + row2);
colorD = *(srcPtr + col2 + row2);
colorL = *(srcPtr + col3 + row2);
colorM = *(srcPtr + col0 + row3);
colorN = *(srcPtr + col1 + row3);
colorO = *(srcPtr + col2 + row3);
colorP = *(srcPtr + col3 + row3);
if ((colorA == colorD) && (colorB != colorC))
{
if ( ((colorA == colorE) && (colorB == colorL)) ||
((colorA == colorC) && (colorA == colorF) && (colorB != colorE) && (colorB == colorJ)) )
product = colorA;
else
product = INTERPOLATE4444(colorA, colorB);
if (((colorA == colorG) && (colorC == colorO)) ||
((colorA == colorB) && (colorA == colorH) && (colorG != colorC) && (colorC == colorM)) )
product1 = colorA;
else
product1 = INTERPOLATE4444(colorA, colorC);
product2 = colorA;
}
else if ((colorB == colorC) && (colorA != colorD))
{
if (((colorB == colorF) && (colorA == colorH)) ||
((colorB == colorE) && (colorB == colorD) && (colorA != colorF) && (colorA == colorI)) )
product = colorB;
else
product = INTERPOLATE4444(colorA, colorB);
if (((colorC == colorH) && (colorA == colorF)) ||
((colorC == colorG) && (colorC == colorD) && (colorA != colorH) && (colorA == colorI)) )
product1 = colorC;
else
product1 = INTERPOLATE4444(colorA, colorC);
product2 = colorB;
}
else if ((colorA == colorD) && (colorB == colorC))
{
if (colorA == colorB)
{
product = colorA;
product1 = colorA;
product2 = colorA;
}
else
{
s16 r = 0;
product1 = INTERPOLATE4444(colorA, colorC);
product = INTERPOLATE4444(colorA, colorB);
r += GetResult1 (colorA, colorB, colorG, colorE, colorI);
r += GetResult2 (colorB, colorA, colorK, colorF, colorJ);
r += GetResult2 (colorB, colorA, colorH, colorN, colorM);
r += GetResult1 (colorA, colorB, colorL, colorO, colorP);
if (r > 0)
product2 = colorA;
else if (r < 0)
product2 = colorB;
else
product2 = Q_INTERPOLATE4444(colorA, colorB, colorC, colorD);
}
}
else
{
product2 = Q_INTERPOLATE4444(colorA, colorB, colorC, colorD);
if ((colorA == colorC) && (colorA == colorF) && (colorB != colorE) && (colorB == colorJ))
product = colorA;
else if ((colorB == colorE) && (colorB == colorD) && (colorA != colorF) && (colorA == colorI))
product = colorB;
else
product = INTERPOLATE4444(colorA, colorB);
if ((colorA == colorB) && (colorA == colorH) && (colorG != colorC) && (colorC == colorM))
product1 = colorA;
else if ((colorC == colorG) && (colorC == colorD) && (colorA != colorH) && (colorA == colorI))
product1 = colorC;
else
product1 = INTERPOLATE4444(colorA, colorC);
}
destPtr[0] = colorA;
destPtr[1] = product;
destPtr[destWidth] = product1;
destPtr[destWidth + 1] = product2;
srcPtr++;
destPtr += 2;
}
destPtr += destWidth;
}
}
void _2xSaI5551( u16 *srcPtr, u16 *destPtr, u16 width, u16 height, s32 clampS, s32 clampT )
{
u16 destWidth = width << 1;
u16 destHeight = height << 1;
u32 colorA, colorB, colorC, colorD,
colorE, colorF, colorG, colorH,
colorI, colorJ, colorK, colorL,
colorM, colorN, colorO, colorP;
u32 product, product1, product2;
s16 row0, row1, row2, row3;
s16 col0, col1, col2, col3;
for (u16 y = 0; y < height; y++)
{
if (y > 0)
row0 = -width;
else
row0 = clampT ? 0 : (height - 1) * width;
row1 = 0;
if (y < height - 1)
{
row2 = width;
if (y < height - 2)
row3 = width << 1;
else
row3 = clampT ? width : -y * width;
}
else
{
row2 = clampT ? 0 : -y * width;
row3 = clampT ? 0 : (1 - y) * width;
}
for (u16 x = 0; x < width; x++)
{
if (x > 0)
col0 = -1;
else
col0 = clampS ? 0 : width - 1;
col1 = 0;
if (x < width - 1)
{
col2 = 1;
if (x < width - 2)
col3 = 2;
else
col3 = clampS ? 1 : -x;
}
else
{
col2 = clampS ? 0 : -x;
col3 = clampS ? 0 : 1 - x;
}
//---------------------------------------
// Map of the pixels: I|E F|J
// G|A B|K
// H|C D|L
// M|N O|P
colorI = *(srcPtr + col0 + row0);
colorE = *(srcPtr + col1 + row0);
colorF = *(srcPtr + col2 + row0);
colorJ = *(srcPtr + col3 + row0);
colorG = *(srcPtr + col0 + row1);
colorA = *(srcPtr + col1 + row1);
colorB = *(srcPtr + col2 + row1);
colorK = *(srcPtr + col3 + row1);
colorH = *(srcPtr + col0 + row2);
colorC = *(srcPtr + col1 + row2);
colorD = *(srcPtr + col2 + row2);
colorL = *(srcPtr + col3 + row2);
colorM = *(srcPtr + col0 + row3);
colorN = *(srcPtr + col1 + row3);
colorO = *(srcPtr + col2 + row3);
colorP = *(srcPtr + col3 + row3);
if ((colorA == colorD) && (colorB != colorC))
{
if ( ((colorA == colorE) && (colorB == colorL)) ||
((colorA == colorC) && (colorA == colorF) && (colorB != colorE) && (colorB == colorJ)) )
product = colorA;
else
product = INTERPOLATE5551(colorA, colorB);
if (((colorA == colorG) && (colorC == colorO)) ||
((colorA == colorB) && (colorA == colorH) && (colorG != colorC) && (colorC == colorM)) )
product1 = colorA;
else
product1 = INTERPOLATE5551(colorA, colorC);
product2 = colorA;
}
else if ((colorB == colorC) && (colorA != colorD))
{
if (((colorB == colorF) && (colorA == colorH)) ||
((colorB == colorE) && (colorB == colorD) && (colorA != colorF) && (colorA == colorI)) )
product = colorB;
else
product = INTERPOLATE5551(colorA, colorB);
if (((colorC == colorH) && (colorA == colorF)) ||
((colorC == colorG) && (colorC == colorD) && (colorA != colorH) && (colorA == colorI)) )
product1 = colorC;
else
product1 = INTERPOLATE5551(colorA, colorC);
product2 = colorB;
}
else if ((colorA == colorD) && (colorB == colorC))
{
if (colorA == colorB)
{
product = colorA;
product1 = colorA;
product2 = colorA;
}
else
{
s16 r = 0;
product1 = INTERPOLATE5551(colorA, colorC);
product = INTERPOLATE5551(colorA, colorB);
r += GetResult1 (colorA, colorB, colorG, colorE, colorI);
r += GetResult2 (colorB, colorA, colorK, colorF, colorJ);
r += GetResult2 (colorB, colorA, colorH, colorN, colorM);
r += GetResult1 (colorA, colorB, colorL, colorO, colorP);
if (r > 0)
product2 = colorA;
else if (r < 0)
product2 = colorB;
else
product2 = Q_INTERPOLATE5551(colorA, colorB, colorC, colorD);
}
}
else
{
product2 = Q_INTERPOLATE5551(colorA, colorB, colorC, colorD);
if ((colorA == colorC) && (colorA == colorF) && (colorB != colorE) && (colorB == colorJ))
product = colorA;
else if ((colorB == colorE) && (colorB == colorD) && (colorA != colorF) && (colorA == colorI))
product = colorB;
else
product = INTERPOLATE5551(colorA, colorB);
if ((colorA == colorB) && (colorA == colorH) && (colorG != colorC) && (colorC == colorM))
product1 = colorA;
else if ((colorC == colorG) && (colorC == colorD) && (colorA != colorH) && (colorA == colorI))
product1 = colorC;
else
product1 = INTERPOLATE5551(colorA, colorC);
}
destPtr[0] = colorA;
destPtr[1] = product;
destPtr[destWidth] = product1;
destPtr[destWidth + 1] = product2;
srcPtr++;
destPtr += 2;
}
destPtr += destWidth;
}
}
void _2xSaI8888( u32 *srcPtr, u32 *destPtr, u16 width, u16 height, s32 clampS, s32 clampT )
{
u16 destWidth = width << 1;
u16 destHeight = height << 1;
u32 colorA, colorB, colorC, colorD,
colorE, colorF, colorG, colorH,
colorI, colorJ, colorK, colorL,
colorM, colorN, colorO, colorP;
u32 product, product1, product2;
s16 row0, row1, row2, row3;
s16 col0, col1, col2, col3;
for (u16 y = 0; y < height; y++)
{
if (y > 0)
row0 = -width;
else
row0 = clampT ? 0 : (height - 1) * width;
row1 = 0;
if (y < height - 1)
{
row2 = width;
if (y < height - 2)
row3 = width << 1;
else
row3 = clampT ? width : -y * width;
}
else
{
row2 = clampT ? 0 : -y * width;
row3 = clampT ? 0 : (1 - y) * width;
}
for (u16 x = 0; x < width; x++)
{
if (x > 0)
col0 = -1;
else
col0 = clampS ? 0 : width - 1;
col1 = 0;
if (x < width - 1)
{
col2 = 1;
if (x < width - 2)
col3 = 2;
else
col3 = clampS ? 1 : -x;
}
else
{
col2 = clampS ? 0 : -x;
col3 = clampS ? 0 : 1 - x;
}
//---------------------------------------
// Map of the pixels: I|E F|J
// G|A B|K
// H|C D|L
// M|N O|P
colorI = *(srcPtr + col0 + row0);
colorE = *(srcPtr + col1 + row0);
colorF = *(srcPtr + col2 + row0);
colorJ = *(srcPtr + col3 + row0);
colorG = *(srcPtr + col0 + row1);
colorA = *(srcPtr + col1 + row1);
colorB = *(srcPtr + col2 + row1);
colorK = *(srcPtr + col3 + row1);
colorH = *(srcPtr + col0 + row2);
colorC = *(srcPtr + col1 + row2);
colorD = *(srcPtr + col2 + row2);
colorL = *(srcPtr + col3 + row2);
colorM = *(srcPtr + col0 + row3);
colorN = *(srcPtr + col1 + row3);
colorO = *(srcPtr + col2 + row3);
colorP = *(srcPtr + col3 + row3);
if ((colorA == colorD) && (colorB != colorC))
{
if ( ((colorA == colorE) && (colorB == colorL)) ||
((colorA == colorC) && (colorA == colorF) && (colorB != colorE) && (colorB == colorJ)) )
product = colorA;
else
product = INTERPOLATE8888(colorA, colorB);
if (((colorA == colorG) && (colorC == colorO)) ||
((colorA == colorB) && (colorA == colorH) && (colorG != colorC) && (colorC == colorM)) )
product1 = colorA;
else
product1 = INTERPOLATE8888(colorA, colorC);
product2 = colorA;
}
else if ((colorB == colorC) && (colorA != colorD))
{
if (((colorB == colorF) && (colorA == colorH)) ||
((colorB == colorE) && (colorB == colorD) && (colorA != colorF) && (colorA == colorI)) )
product = colorB;
else
product = INTERPOLATE8888(colorA, colorB);
if (((colorC == colorH) && (colorA == colorF)) ||
((colorC == colorG) && (colorC == colorD) && (colorA != colorH) && (colorA == colorI)) )
product1 = colorC;
else
product1 = INTERPOLATE8888(colorA, colorC);
product2 = colorB;
}
else if ((colorA == colorD) && (colorB == colorC))
{
if (colorA == colorB)
{
product = colorA;
product1 = colorA;
product2 = colorA;
}
else
{
s16 r = 0;
product1 = INTERPOLATE8888(colorA, colorC);
product = INTERPOLATE8888(colorA, colorB);
r += GetResult1 (colorA, colorB, colorG, colorE, colorI);
r += GetResult2 (colorB, colorA, colorK, colorF, colorJ);
r += GetResult2 (colorB, colorA, colorH, colorN, colorM);
r += GetResult1 (colorA, colorB, colorL, colorO, colorP);
if (r > 0)
product2 = colorA;
else if (r < 0)
product2 = colorB;
else
product2 = Q_INTERPOLATE8888(colorA, colorB, colorC, colorD);
}
}
else
{
product2 = Q_INTERPOLATE8888(colorA, colorB, colorC, colorD);
if ((colorA == colorC) && (colorA == colorF) && (colorB != colorE) && (colorB == colorJ))
product = colorA;
else if ((colorB == colorE) && (colorB == colorD) && (colorA != colorF) && (colorA == colorI))
product = colorB;
else
product = INTERPOLATE8888(colorA, colorB);
if ((colorA == colorB) && (colorA == colorH) && (colorG != colorC) && (colorC == colorM))
product1 = colorA;
else if ((colorC == colorG) && (colorC == colorD) && (colorA != colorH) && (colorA == colorI))
product1 = colorC;
else
product1 = INTERPOLATE8888(colorA, colorC);
}
destPtr[0] = colorA;
destPtr[1] = product;
destPtr[destWidth] = product1;
destPtr[destWidth + 1] = product2;
srcPtr++;
destPtr += 2;
}
destPtr += destWidth;
}
}
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